package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    //指定处理哪些异常
    @ExceptionHandler(value= MethodArgumentNotValidException.class)
    public R handlerValidatorException(MethodArgumentNotValidException e){
      log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> resultMap = new HashMap<>();
        bindingResult.getFieldErrors().stream().forEach((fieldError -> {
            resultMap.put(fieldError.getField(),fieldError.getDefaultMessage());
        }));
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),"数据校验出现问题").put("data",resultMap);
    }

//    @ExceptionHandler(value = Throwable.class)
//    public R handleException(Throwable throwable){
//        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
//    }
}
